Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution of reactive and nonreactive M. avium subsp. paratuberculosis othologous proteins with Johne's disease-positive and -negative serum samples. The results are expressed as the sample-to-positive ratio, where ≥0.2 was considered positive. The circles represent M. avium subsp. paratuberculosis recombinant proteins. The horizontal bars represent the means. The cutoff value of 0.2 is indicated by the dashed horizontal line.
